Patricia Dwyer-Hallquist

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Oshkosh, WI, US

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Patents Grantslast 30 patents

Information Patent Grant
Fluoran derivatives and their use in recording materials
- Patent number 4,910,183
- Issue date Mar 20, 1990
- Appleton Papers Inc.
- Patricia Dwyer-Hallquist
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Fluoran derivatives and their use in recording materials
- Patent number 4,837,210
- Issue date Jun 6, 1989
- Appleton Papers Inc.
- Patricia Dwyer-Hallquist
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS